"When we were in charge of Mars, it was a magnificent place, full of wonders: ancient ruined cities, world-girdling canals, alien races terrible or kind, and a hospitable second home for humanity. Then science got its hands on the planet and basically trashed the place. No canals, no cities, no wise ancients-heck, when science is done, there won't be any life at all on the Red Planet. It's an interplanetary tragedy."Science fiction isn't just one thing. The field is a cosmos of many mansions, with something to please almost everyone. Your guide to the many varieties of sf is Don Sakers: sf writer, retired Librarian, book reviewer for Analog Science Fiction and Fact magazine.Based on the first five years of his popular review column, this volume examines & explains dozens of types of science fiction along with hundreds of reviews.Whether you're exploring the state of the field or looking for just the right sf book for you, A Cosmos of Many Mansions is the guidebook you need. Readers who enjoyed Jo Walton's What Makes This Book So Great? will surely find much to like.